lab12 and p12

sum23/labs/lab12/README.md

sum23/labs/lab12/practice.ipynb

sum23/projects/p12/2019-2020.html

sum23/projects/p12/2020-2021.html

sum23/projects/p12/2021-2022.html

sum23/projects/p12/README.md

sum23/projects/p12/images/README.md

sum23/projects/p12/images/add_group_member.png

sum23/projects/p12/images/gradescope.png

sum23/projects/p12/images/highest_ranked.PNG

sum23/projects/p12/images/singapore_inst.PNG

sum23/projects/p12/images/uw_madison.PNG

sum23/projects/p12/p12.ipynb

sum23/projects/p12/p12_expected.html

sum23/projects/p12/p12_test.py

sum23/projects/p12/rankings.json